Outside Star Tours, anticipation is building among Star Wars and Disney enthusiasts, so much so that a few fans wait at the attraction's entrance every day, in case there's an unannounced preview of the simulator thrill ride.

The revamping of Star Tour represents the highest-profile addition to the Disney World parks in 2011. A version will open at Disneylandin California on June 3.

Disney has been selective in what details it reveals, including the price tag for...